Blender base



FIG. 1 is a perspective view of a blender base in accordance with my design;

FIG. 2 is a front side view of the blender base in accordance with my design;

FIG. 3 is a rear side view of the blender base in accordance with my design;

FIG. 4 is a left side view of the blender base in accordance with my design;

FIG. 5 is a right side view of the blender base in accordance with my design;

FIG. 6 is a top plan view of the blender base in accordance with my design; and,

FIG. 7 is a bottom plan view of the blender base in accordance with my design. 

CLAIM The ornamental design for a blender base, as shown and described. 